Vacuum pump



V. ROSENHAGEN VACUUM PUMP May 27 1924. 1,495,762

iled May 23. 1923 s Sheets-Sheet 1 glwuenl'o'a VICTOR Rossummv May 27 1924. 1,495,762

' v. ROSENHAGEN VACUUM PUMP Filed Mair 2a. 1923 s SheetsSheet 2 awe-Luau May 27, 1924. 1,495,762

V. ROSENHAG EN VACUUM PUMP Filed May 28. 1923 s sheets-sheet s gnvz'ntoz VICTOR Rosslvnmen.

Patented May 227, 192 i.

tlhi'iTE STAT insane VICTOR. ROSENHAGEN, or BELLEVUE, nnn'rncrzv, AssIGNon To EMMA ROSENHAGEN, or BELLEYUE, KENTUCKY.

VACUUM PUMP.

Application filed May 28, 19-23. Serial No. 642,042. X

To all whom, it may concern:

Be it known that I, Vio'ron ROSENHAGEN, a citizen of the United States of America. and a resident of Bellevue, in the county of Campbell and State of Kentucky, have invented a new and useful Improvement in a Vacuum Pump, of which the following is a specification.

An object t my invention is to provide a highly eflicient vacuum pump together with a suitable system wherewith it may be employed.

Another object of my invention is to provide a simple device for the purpose stated.

Another object o't-my invention is to provide a device for the purpose stated having a minimum of parts.

These and other objects are attained by the means described herein, and disclosed in the accompanying drawings, in which:

Fig. 1 is a side elevation of a device embodving my invention. I

Fig. 2 a fragmental longitudinal section through a device embodying my invention.

Fig. 3 is an enlarged sectional view on line 3-3 of Fig. 2.

The rotor 4 is contained within a suitable housing 5 and is driven from any suitable source of power such as the motor 6 by any suitable means such as the shaft '7 supported, by a suitable stand 8 carrying the housing 5. The housing 5 has formed within it a rotor chamber 9 centrally within which extends a fin or partition 10 carried by the wall of the housing 5 and extending inwardly of the rotor chamber. The rotor et comprises a bocy 11 having an axial bore 12. The rotor.- is divided into sections 13 and 14.. lying upon opposite sides ot' the fin 1.0 and connected at their inner most or center most ends by the hub portion 15 of the rotor. The sections 13 and 14 have formed in them the spiral ducts 16 which extend from the periphery of the rotor to the recess 12 formed centrally of the rotor. The compartments 160 and 17 formed in. the rotor chamber 9 by the partition 10, discharge through nozzles 18 and 19 into discharge pipes 20 and 21. leading from chambers 22 and 23 formed adjacent the nozzles and through which chambers the nozzles direct fluid to the discharge pipes. The bores 2 and 2 3 in the pipes 20 and 21 enlarge in diameter for some distance as they recede from the nozzles. The chamber 22 communitank 28. The axial bore 12 communicates by way of the pipe 29 with the lower end of the tank 28. Suitable connections, not shown, may be provided for connecting the tank 27 with a system within which a vacuum is to be maintained and the tank 27 is adapted to receive products of condensation from such system.

In the operation of my device the rotor is revolved at a high rate of speed, from the motor, and water contained within the tank 28 enters the axial bore 12 and is discharged from the rotors through the compartments 160 and 17 through the nozzles 18 and 19 and is returned to the tank 28 by way of" the discharge pipes 20 and 21 and the piping connections 30 and 31 connecting such dis charge pipes and the tank 28. As the water discharged by the nozzles 18 and19 passes through the chambers 22 and 23 formed at the head ends of the casings of which the discharge pipes 20 and 21 form parts, there is created in each of the chambers 22 and 23 a vacuum, Products of condensation are withdrawn from the tank-27 by way 01 the pipe connection 26 while gases are withdrawn from the tank, by way of the pipe 280. By providing a device comprising elements bearing the described relationship it is possible to maintain a constant vacuum in the tank and although there may be a decided flow of products of condensation to the tank, the vacuum will be maintained within the system and will not beaffected by the fact that the products of condensation drain into the tank 27 The condensation cannot remain in the tank 27 because 01 the action of the water passing through the chamber 26 speedily exhausting same from the tank, whereupon the connections through the pipe 26 and rotor section 13 serve to cooperate with rotor section 14 in maintaining a high vacuum in the tank 27. The tank 28 may be provided with a suitable overflow 32.

What I claim is:

1. In a device of the class described the combination of a housing having two sub stantially parallel spaced chambers, a rotor located centrally Within the housing having sections extending one into each of the chambers, means for directing a fluid into the center of the housing, the rotor sections being adapted to receive tiuid at their centers and to discharge same outwardly into their respective chambers, a discharge nozzle associated With each chamber, discharge pipe for each nozzle into Which the nozzles discharge and each discharge pipe having a chamber formed within it and through which chamber the discharge nozzles direct the strean'is of fluid, the discharge nozzles being spaced from the discharge pipes, a tank, a pipe leading from the lower end of the tank to one of the chambers extending about one 01" the nozzles and a pipe connecting the upper portion 01 the tank with a chamber formed about the second discharge nozzle.

2. In a device of the class described the combination of the housing having a rotor chamber within it, a rotor having an axial bore, revolubly mounted in the housing and comprising a pluralityot sections in each of which is formed a series o't spiral ducts extending outwardly from and comniunicating with the axial bore in the rotor, partitions carried by the housing extending between the outer edges oi adjacent rotor sections whereby to provide individual compartments into which the spiral ducts of the individual rotor sections dischar e, a discharge nozzle leading trom each or the individnal compartments, a casing for each nozzle, each provided with a chamber and a discharge pipe leading from the chamber, and through Which chambers the nozzles direct fluid into the discharge pipes, a tank, a connection between the bottom of the tank and one of the chambers extending about one of the nozzles, a second connec tion between the top of the tank and the chamber extending about a second of the nozzles, and means for directing a fluid to the axial bore in the rotor.

3. In a device of the class described the combination of a housing having two substantially parallel spaced chambers, a rotor having an axial bore, revolubly mounted upon the housing and having sections extending one into each of the chambers, means for directing a fluid to the axial bore 01": the rotor, the rotor sections being adapted to receive fluid at their centers and to discharge same outwardly into their respective chambers, a discharge nozzle associated With each chamber, a discharge pipe for each nozzle into Which the nozzles discharge and each dis charge pipe having a chamber formed Witllin it and through which chamber the dis charge nozzles direct the streams o't thud, the discharge nozzles being spaced from the discharge pipes, a tank, and pipes connectin g the tank With the chambers formed about the discharge nozzles.

In testimony whereof, I have hereunto subscribed my name this 12th day of May,

VICTOR ROSENHAG-EN. 

